/*
 * Copyright (c) 2020 - present, Inspur Genersoft Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.inspur.edp.cef.generator.coreGenerator.base.entitygen.method;

import com.inspur.edp.caf.generator.baseInfo.ParameterInfo;
import com.inspur.edp.caf.generator.baseInfo.TypeInfo;
import com.inspur.edp.caf.generator.method.ClassMethodGenerator;
import com.inspur.edp.caf.generator.utils.ExpressionUtils;
import com.inspur.edp.cef.api.message.CefException;
import com.inspur.edp.cef.designtime.api.element.GspElementObjectType;
import com.inspur.edp.cef.gencommon.MediateType;
import com.inspur.edp.cef.generator.common.MediatePropertyInfo;
import com.inspur.edp.cef.generator.coreGenerator.base.entitygen.EntityGeneratorContext;
import com.inspur.edp.cef.generator.coreGenerator.base.entitygen.property.SimpleUdtDataValuePropGenerator;
import com.inspur.edp.cef.generator.overall.GeneratorUtil;
import com.inspur.edp.cef.generator.overall.Utils;
import com.inspur.edp.udt.designtime.api.entity.SimpleDataTypeDef;
import com.inspur.edp.udt.designtime.api.entity.UnifiedDataTypeDef;
import java.util.ArrayList;
import java.util.List;
import lombok.var;
import org.eclipse.jdt.core.dom.Block;
import org.eclipse.jdt.core.dom.CastExpression;
import org.eclipse.jdt.core.dom.ClassInstanceCreation;
import org.eclipse.jdt.core.dom.ExpressionStatement;
import org.eclipse.jdt.core.dom.IfStatement;
import org.eclipse.jdt.core.dom.InfixExpression;
import org.eclipse.jdt.core.dom.InstanceofExpression;
import org.eclipse.jdt.core.dom.MethodInvocation;
import org.eclipse.jdt.core.dom.Modifier;
import org.eclipse.jdt.core.dom.Modifier.ModifierKeyword;
import org.eclipse.jdt.core.dom.StringLiteral;
import org.eclipse.jdt.core.dom.SwitchCase;
import org.eclipse.jdt.core.dom.SwitchStatement;
import org.eclipse.jdt.core.dom.ThrowStatement;

public class DataStaticSetValueGenerator extends ClassMethodGenerator {

  private final List<MediatePropertyInfo> propertyInfos;
  private final EntityGeneratorContext parentContext;
  public static String methodName="setValue";
  private static final String ParData = "data";
  public static final String param1 = "propName";
  private static final String param2 = "value";
  private final MediateType targetInterfaceType;

  public DataStaticSetValueGenerator(List<MediatePropertyInfo> propertyInfos,
      EntityGeneratorContext parentContext, MediateType targetInterfaceType)
  {
    this.propertyInfos = propertyInfos;
    this.parentContext = parentContext;
    this.targetInterfaceType = targetInterfaceType;
  }

  @Override
  protected String getMethodName() {
    return methodName;
  }

  @Override
  protected TypeInfo getReturnType() {
    return new TypeInfo(void.class.getTypeName());
  }

  @Override
  protected ArrayList<Modifier.ModifierKeyword> getAccessModifiers() {
    ArrayList<Modifier.ModifierKeyword> list = new ArrayList<>();
    list.add(ModifierKeyword.PUBLIC_KEYWORD);
    list.add(ModifierKeyword.STATIC_KEYWORD);
    return list;
  }

  @Override
  protected ArrayList<ParameterInfo> getParameterCollection() {
    ArrayList<ParameterInfo> list = new ArrayList<>();

    ParameterInfo parData=new ParameterInfo();
    addImport(targetInterfaceType.getFullName());
    parData.setParamType(new TypeInfo(targetInterfaceType.getClassName()));
    parData.setParamName(ParData);
    list.add(parData);

    ParameterInfo parameterInfo = new ParameterInfo();
    parameterInfo.setParamType(new TypeInfo(String.class.getTypeName()));
    parameterInfo.setParamName(param1);
    list.add(parameterInfo);

    parameterInfo = new ParameterInfo();
    TypeInfo typeInfo = new TypeInfo(Object.class.getTypeName());
    parameterInfo.setParamType(typeInfo);
    parameterInfo.setParamName(param2);
    list.add(parameterInfo);
    return list;
  }

  @Override
  protected Block buildMethodBody() {
    Block block = ast.newBlock();
    SwitchStatement switchStatement = ast.newSwitchStatement();
    setSwitchExpresssion(switchStatement);
    setSwitchCases(switchStatement);
    setSwitchDefaultCase(switchStatement);
    block.statements().add(switchStatement);
    return block;
  }

  private void setSwitchExpresssion(SwitchStatement switchStatement) {
    switchStatement.setExpression(ast.newSimpleName(param1));
  }

  private void setSwitchCases(SwitchStatement switchStatement) {
    for (MediatePropertyInfo propertyInfo : propertyInfos) {
      buildPropertyCaseStatement(propertyInfo, switchStatement);
    }
  }

  private void buildPropertyCaseStatement(MediatePropertyInfo propertyInfo,
      SwitchStatement switchStatement) {
//    ChildAttribute childAttribute = (ChildAttribute) ReflectionUtils
//        .getMethodAnnotation(propertyInfo.getPropertyMethod(), ChildAttribute.class);
    if (propertyInfo.getNode() != null) {
      return;
    }
    if(propertyInfo.getExtendInfos().containsKey("AssoUdtAtrribute"))
      return;

    SwitchCase switchCase1 = ast.newSwitchCase();

    StringLiteral stringLiteral = ast.newStringLiteral();
    stringLiteral.setLiteralValue(propertyInfo.getPropertyName());
    switchCase1.setExpression(stringLiteral);
    switchStatement.statements().add(switchCase1);

    setSwitchCaseBody(switchStatement, propertyInfo);

    switchStatement.statements().add(ast.newBreakStatement());
  }

  private void setSwitchCaseBody(SwitchStatement switchStatement,
      MediatePropertyInfo propertyInfo) {
    UnifiedDataTypeDef udt = Utils.getUdt(propertyInfo.getElement(),
        parentContext.getProjContext().getCefGenContext());
    if (udt != null && udt instanceof SimpleDataTypeDef) {
      TypeInfo genericType = SimpleUdtDataValuePropGenerator.getSimpleUdtDataGenericType((SimpleDataTypeDef) udt);

      setUdtSwitchCaseBody(switchStatement, propertyInfo, (SimpleDataTypeDef) udt, genericType);
    } else {
      setSimpleSwitchCaseBody(switchStatement, propertyInfo, propertyInfo);
    }
  }

  private void setSimpleSwitchCaseBody(SwitchStatement switchStatement,
      MediatePropertyInfo propertyInfo, MediatePropertyInfo propertyType) {
    MethodInvocation methodInvocation = ast.newMethodInvocation();
    methodInvocation.setName(ast.newSimpleName(propertyInfo.getSetterMethodName()));
    methodInvocation.setExpression(ast.newSimpleName(ParData));

    CastExpression castExpression = ast.newCastExpression();
    castExpression
        .setType(propertyType.getPropertyType().getType(ast, parentContext.getProjContext()));

    if (propertyType.getElement().getObjectType() == GspElementObjectType.Enum && !propertyType
        .getElement().getIsUdt()) {
      addImport("com.inspur.edp.cef.spi.entity.ValueConvertUtils");
      var enumValueInvocation = ExpressionUtils
          .getMethodInvocation(ast, "ValueConvertUtils", "toEnum");

      var typeLiteral = ast.newTypeLiteral();
      typeLiteral
          .setType(propertyType.getPropertyType().getType(ast, parentContext.getProjContext()));
      enumValueInvocation.arguments().add(typeLiteral);
      enumValueInvocation.arguments().add(ast.newSimpleName(param2));

      castExpression.setExpression(enumValueInvocation);

    } else {
      castExpression.setExpression(ast.newSimpleName(param2));
    }

    methodInvocation.arguments().add(castExpression);
    ExpressionStatement expressionStatementx = ast.newExpressionStatement(methodInvocation);
    switchStatement.statements().add(expressionStatementx);
  }

  private void setUdtSwitchCaseBody(SwitchStatement switchStatement,
      MediatePropertyInfo propertyInfo, SimpleDataTypeDef udt, TypeInfo genericType) {
    IfStatement ifStatement = ast.newIfStatement();
    setUdtSwitchCaseIfExpression(ifStatement, propertyInfo, genericType);
    setUdtSwitchCaseIfThen(ifStatement, propertyInfo, genericType);
    setUdtSwitchCaseIfElse(ifStatement, propertyInfo, genericType);

    switchStatement.statements().add(ifStatement);
  }

  private void setUdtSwitchCaseIfExpression(IfStatement ifStatement,
      MediatePropertyInfo propertyInfo, TypeInfo genericType) {
    InfixExpression infixExpression1 = ast.newInfixExpression();
    infixExpression1.setOperator(InfixExpression.Operator.CONDITIONAL_AND);
    InfixExpression infixExpression = ast.newInfixExpression();
    infixExpression.setOperator(InfixExpression.Operator.NOT_EQUALS);

    MethodInvocation methodInvocation = ast.newMethodInvocation();
    methodInvocation.setExpression(ast.newSimpleName(ParData));
    methodInvocation.setName(ast.newSimpleName(propertyInfo.getGetterMethodName()));
    infixExpression.setLeftOperand(methodInvocation);
    infixExpression.setRightOperand(ast.newNullLiteral());
    infixExpression1.setLeftOperand(infixExpression);

    InstanceofExpression instanceofExpression = ast.newInstanceofExpression();
    instanceofExpression.setLeftOperand(ast.newSimpleName(param2));
    instanceofExpression.setRightOperand(genericType.getType(ast));
    addImport(genericType);
    //instanceofExpression.setRightOperand(ast.newSimpleType(ast.newName(udtItemType.getTypeName())));
    infixExpression1.setRightOperand(instanceofExpression);

    ifStatement.setExpression(infixExpression1);
  }

  private void setUdtSwitchCaseIfThen(IfStatement ifStatement, MediatePropertyInfo propertyInfo,
      TypeInfo genericType) {
    Block block = ast.newBlock();
    MethodInvocation methodInvocation = ast.newMethodInvocation();

    MethodInvocation methodInvocation1 = ast.newMethodInvocation();

    methodInvocation1.setName(ast.newSimpleName(propertyInfo.getGetterMethodName()));
    methodInvocation1.setExpression(ast.newSimpleName(ParData));
    methodInvocation.setExpression(methodInvocation1);

    methodInvocation.setName(ast.newSimpleName("setValue"));

    CastExpression castExpression = ast.newCastExpression();
    Class udtItemType = null;

    castExpression.setType(genericType.getType(ast));
    //castExpression.setType(ast.newSimpleType(ast.newName(udtItemType.getTypeName())));
    castExpression.setExpression(ast.newSimpleName(param2));
    methodInvocation.arguments().add(castExpression);

    ExpressionStatement expressionStatement = ast.newExpressionStatement(methodInvocation);
    block.statements().add(expressionStatement);
    ifStatement.setThenStatement(block);
  }

  private void setUdtSwitchCaseIfElse(IfStatement ifStatement, MediatePropertyInfo propertyInfo,
      TypeInfo genericType) {
    Block block = ast.newBlock();
    MethodInvocation methodInvocation = ast.newMethodInvocation();
    methodInvocation.setName(ast.newSimpleName(propertyInfo.getSetterMethodName()));

    CastExpression castExpression = ast.newCastExpression();
    castExpression.setType(propertyInfo.getPropertyType().getType(ast));
    //castExpression.setType(ast.newSimpleType(ast.newName(propertyType.getTypeName())));
    //castExpression.setType(new com.inspur.edp.caf.generator.baseInfo.TypeInfo(byte[].class).getType(ast));
    castExpression.setExpression(ast.newSimpleName(param2));
    methodInvocation.arguments().add(castExpression);
    methodInvocation.setExpression(ast.newSimpleName(ParData));
    ExpressionStatement expressionStatement = ast.newExpressionStatement(methodInvocation);
    block.statements().add(expressionStatement);
    ifStatement.setElseStatement(block);
  }

  private void setSwitchDefaultCase(SwitchStatement switchStatement) {
    SwitchCase defaultCase = ast.newSwitchCase();
    defaultCase.setExpression(null);
    switchStatement.statements().add(defaultCase);
    addImport(CefException.class.getTypeName());
    ThrowStatement throwStatement = GeneratorUtil.getThrowStatement(ast,"属性名不存在：",param1,true);
//    ClassInstanceCreation classInstanceCreation = ast.newClassInstanceCreation();
//
//    classInstanceCreation.setType(
//        new com.inspur.edp.caf.generator.baseInfo.TypeInfo(RuntimeException.class).getType(ast));
//
//    InfixExpression infixExpression = ast.newInfixExpression();
//    infixExpression.setOperator(InfixExpression.Operator.PLUS);
//    StringLiteral stringLiteral = ast.newStringLiteral();
//    stringLiteral.setLiteralValue("属性名不存在：");
//    infixExpression.setLeftOperand(stringLiteral);
//    infixExpression.setRightOperand(ast.newSimpleName(param1));
//    classInstanceCreation.arguments().add(infixExpression);
//
//    throwStatement.setExpression(classInstanceCreation);
    switchStatement.statements().add(throwStatement);
  }
}
